Cutter for atherectomy catheter
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United States of America Patent
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-
Oct 25, 1994
Issued Date -
N/A
app pub date -
Aug 16, 1993
filing date -
Jan 13, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An atherectomy catheter is provided with an improved high speed rotating cutting head is disclosed in which the cutting head has a generally oval-shaped nose portion which includes a plurality of radially disposed excising openings extending along and rearward from a point near the center of the nose. The openings are elongated but do not extend beyond the elliptical portion of reduced diameter, and, therefore, do not damage the lining of the vessel involved.
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